 :root {
    --bg-dark: #000000;
    --size: 600px;
    --blue: #00ffff;
    --pink: #ff00ff;
    --yellow: #ffff00;
    --base-duration: 25s;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-dark);
    overflow: hidden;
    user-select: none;
}
.pulsar-stage {
    width: var(--size);
    height: var(--size);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 100px rgba(255, 255, 255, 0.1) inset, 0 0 20px rgba(0, 0, 0, 0.8);
    background-color: var(--bg-dark); 
}
.pulsar-stage:hover .layer {
    animation-duration: calc(var(--base-duration) / 8); 
    filter: brightness(1.5);
}
.layer {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    mix-blend-mode: screen; 
    animation: rotateA var(--base-duration) linear infinite;
}
.layer:nth-child(1) {
    background: radial-gradient(circle at 70% 30%, var(--blue) 0%, transparent 40%);
    animation-name: rotateB;
    animation-duration: calc(var(--base-duration) * 1.5);
}
.layer:nth-child(2) {
    background: radial-gradient(circle at 30% 60%, var(--pink) 0%, transparent 40%);
    animation-duration: var(--base-duration);
    animation-delay: -5s;
}
.layer:nth-child(3) {
    background: radial-gradient(circle at 50% 50%, var(--yellow) 0%, transparent 35%);
    animation-duration: calc(var(--base-duration) / 2);
    animation-delay: -10s;
}
@keyframes rotateA {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes rotateB {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}
.info {
    position: absolute;
    bottom: 20px;
    color: white;
    font-family: sans-serif;
    font-size: 1em;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    z-index: 10;
}